The secrets behind the music you hear on TikTok

It turns out there's a science to the music you hear on TikTok. It can launch music careers, help posts go viral and even breathe life into old classics. But the real secret lies in which bit of the track is used. James Wright explores the power of music and finds out why brands like ELF cosmetics is composing its own.
Thu, Jul 22 20211:34 AM EDT